<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
	<script type="text/javascript" src="../script/jquery-1.7.2.js"></script>
	<script type="text/javascript">
		// $(function(){
		// 	//使用选择器获取按钮对象，随后绑定单击响应函数
		// 	$("#btnId").click(function(){
		// 		//弹出Hello
		// 		alert('Hello');
		// 	});
		// });
		$(function () {
               $("#btnId").click(function () {
                    alert('hello');
			   });
		});
         $(function () {
            $("button").click(function () {
				alert('不要点了啦');
			});
		 });
	</script>
</head>
<body>

	<button id="btnId">SayHello</button>
 	<button>按钮1</button>

</body>
</html>